Flooring: tile or carpet for spare bedrooms?

I currently have 2 bedrooms with old carpet. My neighbors recently bought a couple of pallets of tile and has a lot left over that he's willing to give me for free. I was thinking about pulling up the carpet in both spare bedrooms and replacing with tile.

We have a dog and it would be much easier to maintain the tile and it would look nicer. That being said My wife is preggo with #1 on the way. we plan on turning those bedrooms into nursery and eventually the kids bedroom. I am slightly concerned about putting tile in the babies room who will probably throw things and be falling a lot around the walking stage? Carpet would probably help out if he trips or prevent some shite he might throw from breaking. I'm sure there are other pros/cons of carpet vs tile I'm not thinking of. Any advice?